Change how images are loaded, remove external refs

Change how images are loaded from the json returned by ilscatcher,
remove external image references and include them locally.

This change depends on recent ilscatcher changes -- otherwise images
will be broken.

Signed-off-by: Jeff Godin <jgodin@tadl.org>
Use vars to store URLs to events, ilscatcher

Use variables to store URLs to the events feed and ilscatcher.

Signed-off-by: Jeff Godin <jgodin@tadl.org>
Merge pull request #3 from tadl/jeff_images_refactor

merging my own pullrequest, but Bill said it was ok!